e-harmony is very similar to my start up. We operate in Mexico somoscompatibles.com (we are compatible). Our approach is to find personalities and rate how simi

e-harmony is very similar to my start up. We operate in Mexico somoscompatibles.com (we are compatible). Our approach is to find personalities and rate how similar they are. I tried eharmony for several months and I don't think they really have a great algorithm, they just make it easier for you to know some people that are somewhat similar to you.